September weather forecast
Carmichael, MD

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Weather in September

September, the first month of the autumn in Carmichael, is still a warm month, with an average temperature ranging between min 63.5°F (17.5°C) and max 77.4°F (25.2°C).

Temperature

As August transitions into September, Carmichael records an average high-temperature of a still warm 77.4°F (25.2°C), showing a gentle shift from the preceding month. Throughout September, the average low-temperature records at a comfortable 63.5°F (17.5°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Carmichael, Maryland, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In Carmichael, 77.4°F (25.2°C) is the average high-temperature and 63.5°F (17.5°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the average humidity in September?

In Carmichael, Maryland, the average relative humidity in September is 77%.

What is the driest month in Carmichael?

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.

How much does it rain in Carmichael in September?

In Carmichael, in September, it is raining for 12.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Carmichael?

In Carmichael, snow does not fall in May through October.

What is the average length of the day in September?

In Carmichael, the average day length in September is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of the month, in Carmichael, sunrise is at 7:00 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Carmichael have in September?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September?

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Carmichael, MD

Average temperature in September - Carmichael, MD
  • Average high temperature in September: 77.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Carmichael, MD

Average pressure in September - Carmichael, MD
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Carmichael, MD

Average wind speed in September - Carmichael, MD
  • Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are February and March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in September
Carmichael, MD

Average humidity in September - Carmichael, MD
  • Average humidity in September: 77%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in September
Carmichael, MD

Average rainfall in September - Carmichael, MD
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in September
Carmichael, MD

Average rainfall days in September - Carmichael, MD
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in September
Carmichael, MD

Average snowfall in September - Carmichael, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Carmichael, MD

Average snowfall days in September - Carmichael, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Carmichael, MD

Average daylight in September / Average sunshine in September - Carmichael, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in September
Carmichael, MD

Average sunshine days in September - Carmichael, MD
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in September
Carmichael, MD

Average UV index in September - Carmichael, MD
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Carmichael, MD

Average cloud cover in September - Carmichael, MD
  • Average cloud cover in September: 34

The months with the most cloud cover are February, March and December (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in September
Carmichael, MD

Average visibility in September - Carmichael, MD
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Carmichael, Maryland, USA

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